Sample MH-4103

NavDat sample number 48513 · BASALT

Sample

Sample ID	MH-4103
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	43.0574
Longitude	-115.839
Location	AFB core, 4103 ft level
State / province	Idaho

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
1		0.001	2

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	46.19		WT%	EPMA
TIO2	4.48		WT%	EPMA
AL2O3	13.79		WT%	EPMA
FEOT	17.75		WT%	EPMA
MNO	0.23		WT%	EPMA
MGO	5.5		WT%	EPMA
CAO	11.07		WT%	EPMA
NA2O	1.09		WT%	EPMA
K2O	0.07		WT%	EPMA
P2O5	0.14		WT%	EPMA
TOTAL	100.32		WT%	EPMA
NB	34		PPM	XRF
ZR	406		PPM	XRF
Y	70		PPM	XRF
SR	300		PPM	XRF
RB	3		PPM	XRF
ZN	175		PPM	XRF
CU	49		PPM	XRF
NI	67		PPM	XRF
CR	134		PPM	XRF

References

Shervais, John W; Shroff, Gaurav; Vetter, Scott K; Matthews, Scott; Hanan, Barry B; McGee, James J (2004) Origin and evolution of the western Snake River plain; implicationsfrom stratigraphy, faulting, and the geochemistry of basalts nearMountain Home, Idaho. Bulletin - Idaho Geological Survey, Report: 30, pp.343-361, May 2004